Grate for a channel drain



FIG. 1 is a perspective view of an ornamental design for a grate for a channel drain;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown herein are for illustrative purposes only, and form no part of the claimed design. 

CLAIM What is claimed is an ornamental design for a grate for a channel drain, as shown and described. 